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Find the value of x such that the four p...

Find the value of x such that the four points A(3, 2, 1), B(4, x, 5), C(4, 2, -2) and D(6, 5, -1) are coplanar.

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The correct Answer is:
x=5
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ARIHANT PUBLICATION-SAMPLE PAPER 1-SHORT ANSWER TYPE QUESTIONS
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  4. Using elementary transformations, find the inverse of [(4,5),(3,4)]

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  5. Find the matrix A such that A[{:(1,2,3),(4,5,6):}]=[{:(-7,-8,-9),(2,4...

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